An Improvement of Delivery Lead Time: A Case Study of a Trading Company

Main Article Content

Srobol Smutkupt
Umaporn Naratornsawatdikul


This case study is about a made to order product supply for project of a trading company located in Thailand. The core products are regularly imported from around the globe. The lead time delivery along the supply chain process from upstream to downstream are critical and have to be accurately and precisely planned. The company incurred significant amount of expenses, reaching over a million baht, due to delayed delivery product. The framework of this research is applied DMAIC methodology of Six Sigma concept to identify root causes and find the appropriate solutions to solve the problem. The result indicated that DMAIC methodology supports the solution to the delayed delivery problem and ensure the sustainability in the long term. ABC Company can reduce the Submit and Technical Approval process from 23 working days to 13 working days of delivery lead times based on the area that was focused on.


Download data is not yet available.

Article Details

Research Articles


Aummontha, W. and Smutkupt, S. (2017) Business Process Improvement of Customer Service for an eBay Jewelry Company. Journal of Supply Chain Management Research & Practice 11(2): 39-55.

Bourne, L. and Walker, D. H. T. (2008) Project Relationships and The Stakeholder CircleTM. International Journal of Managing Project in Business 1(1): 125-130.

Cervone, H. F. (2009) Managing Digital Libraries: The View from 30,000 Feet, Applied Digital Library Project Management-Using Pareto Analysis to Determine Task Importance Rankings. OCLC Systems and Services: International Digital Library Perspectives 25(2): 76-81.

Chakrabortty, R. K. (2013) Reducing Process Variability by Using DMAIC Model: A Case Study in Bangladesh. International Journal for Quality Research 7(1): 127-140.

Cleland, D. (1994) Project Management: Strategic Design and Implementation. New York: McGraw-Hill Company.

Harry, M. and Schroeder, R. (2000) Six Sigma: The Breakthrough Management Strategy Revolutionizing the World’s Top Corporations. Redfern, New South Wales: Currency Press.

Knowles, G., Whicker, L., Femat, J. H. and Canales, F. D. C. (2005) A Conceptual Model for the Application of Six Sigma Methodologies to Supply Chain Improvement. International Journal of Logistics: Research and Applications 8: 51-65.

Shaffie, S. and Shahbazi, S. (2012) The McGraw-Hill 36-hour Course: Lean Six Sigma. New York: McGraw-Hill.
Summers, D. C. S (2006) Six Sigma: Basic Tools and Technique. New Jersey: Person Prentice Hall.